Parsers/source-stream-0.rs
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Merge branch 'macros'

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Andrew Golovashevich 2025-11-18 18:36:15 +03:00
commit 6d0e1fe88c
5 changed files with 186 additions and 0 deletions
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1
src/lib.rs
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@ -1,6 +1,7 @@
#![allow(non_snake_case)]
mod _keyword_impls;
mod macros;
pub trait Predicate<C> {
fn check(&mut self, chr: C) -> bool;

38
src/macros/builder_trait_decl.rs Normal file
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@ -0,0 +1,38 @@
#[macro_export]
macro_rules! builder_trait_decl {
(
$scope:vis trait $name:ident
$(<
$generic0Name:ident $(: $generic0Bound:path)? $(, $genericNName:ident $(: $genericNBound:path)?)*
>)?
$(: $base0:path $(, $baseN:path)*)?
{ $($body:tt)* }
) => {
$scope trait $name
<
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source>
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )?
>
$(: $base0 $(, $baseN)*)?
{ $($body)* }
};
(
$scope:vis trait $name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ident $(: $genericNBound:path)?)*
>
$(: $base0:path $(, $baseN:path)*)?
{ $($body:tt)* }
) => {
$scope trait $name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P: Pos<'pos>, CS: CollectedSubstring<'source>
$(, $genericNName $(: $genericNBound)?)*
>
$(: $base0 $(, $baseN)*)?
{ $($body)* }
};
}

58
src/macros/builder_type_t.rs Normal file
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#[macro_export]
macro_rules! builder_type_t {
(
$name:ident
$(<
$generic0Name:ty $(, $genericNName:ty)*
>)?
) => {
$name
<
'source, 'pos, P, CS
$(, $generic0Name $(, $genericNName)*)?
>
};
(
$name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ty)*
>
) => {
$name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P, CS $(, $genericNName)*
>
};
(
impl $name:ident
$(<
$generic0Name:ty $(, $genericNName:ty)*
>)?
) => {
impl $name
<
'source, 'pos, P, CS
$(, $generic0Name $(, $genericNName)*)?
>
};
(
impl $name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ty)*
>
) => {
impl $name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P, CS $(, $genericNName)*
>
};
}

3
src/macros/mod.rs Normal file
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@ -0,0 +1,3 @@
mod builder_type_t;
mod parser_fn_decl;
mod builder_trait_decl;

86
src/macros/parser_fn_decl.rs Normal file
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@ -0,0 +1,86 @@
#[macro_export]
macro_rules! parser_fn_decl {
// only type generics | default src type -------------------------------------------------------
(
$scope:vis fn $name:ident
$(<
$generic0Name:ident $(: $generic0Bound:path)? $(, $genericNName:ident $(: $genericNBound:path)?)*
>)?
($srcName:ident : $srcType:ty $(, $argNName:ident : $argNType:ty)*)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source>
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )?
>
($srcName: $srcType $(, $argNName : $argNType)*)
$(-> $ret)?
$body
};
// lifetime + type generics | default src type --------------------------------------------------
(
$scope:vis fn $name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ident $(: $genericNBound:path)?)*
>
($srcName:ident : $srcType:ty $(, $argNName:ident : $argNType:ty)*)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P: Pos<'pos>, CS: CollectedSubstring<'source>
$(, $genericNName $(: $genericNBound)?)*
>
($srcName: $srcType $(, $argNName : $argNType)*)
$(-> $ret)?
$body
};
// only type generics | custom src type --------------------------------------------------------
(
$scope:vis fn $name:ident
$(<
$generic0Name:ident $(: $generic0Bound:path)? $(, $genericNName:ident $(: $genericNBound:path)?)*
>)?
($srcName:ident $(, $argNName:ident : $argNType:ty)*)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, P:Pos<'pos>, CS:CollectedSubstring<'source>
$(, $generic0Name $(: $generic0Bound)? $(, $genericNName $(: $genericNBound)?)* )?
>
($srcName: &'source mut impl SourceStream<'source, 'pos, P=P, CS=CS> $(, $argNName : $argNType)*)
$(-> $ret)?
$body
};
// lifetime + type generics | custom src type --------------------------------------------------
(
$scope:vis fn $name:ident
<
$lifetime0Name:lifetime $(, $lifetimeNName:lifetime)*
$(, $genericNName:ident $(: $genericNBound:path)?)*
>
($srcName:ident $(, $argNName:ident : $argNType:ty)*)
$(-> $ret:ty)?
$body:block
) => {
$scope fn $name
<
'source, 'pos, $lifetime0Name $(, $lifetimeNName)*,
P: Pos<'pos>, CS: CollectedSubstring<'source>
$(, $genericNName $(: $genericNBound)?)*
>
($srcName: &'source mut impl SourceStream<'source, 'pos, P=P, CS=CS> $(, $argNName : $argNType)*)
$(-> $ret)?
$body
};
}